Gaya APA

Raffa, R, B. (2015). Kratom and Other Mitragynines The Chemistry and Pharmacology of Opioids from a Non-Opium Source (Cet. 1). Boca Raton: CRC Press.

Gaya MLA

Raffa, Robert, B.. "Kratom and Other Mitragynines The Chemistry and Pharmacology of Opioids from a Non-Opium Source". Cet. 1 Boca Raton: CRC Press, 2015. Text.